![Larson Davis Spartan 821 Reference Manual Download Page 85](http://html1.mh-extra.com/html/larson-davis/spartan-821/spartan-821_reference-manual_3720611085.webp)
Spartan 821/721 Manual
Directional Response
A-38
110°
-5.87
-6.90
-7.95
-8.58
-8.92
-8.70
-8.85
-9.70
-11.12 -14.00 -13.50 -14.11
120°
-5.75
-5.70
-6.02
-7.18
-8.38
-10.00 -11.60 -12.15 -13.37 -14.25 -13.20 -13.93
130°
-7.10
-7.60
-8.75
-9.60
-10.22 -10.17 -10.00 -10.27 -10.90 -11.65 -12.65 -15.06
140°
-5.67
-5.77
-6.40
-7.58
-8.52
-9.75
-11.40 -12.75 -13.52 -14.60 -15.82 -17.28
150°
-5.42
-5.90
-7.02
-8.35
-9.25
-9.70
-10.07 -10.42 -11.25 -12.30 -12.82 -14.01
160°
-5.42
-5.70
-6.40
-7.48
-8.58
-9.60
-10.32 -10.95 -11.47 -12.32 -13.15 -14.05
170°
-6.80
-7.20
-7.90
-8.98
-9.68
-10.27 -10.77 -11.30 -11.85 -12.70 -13.20 -14.13
180°
-4.30
-4.62
-5.30
-6.32
-7.08
-7.80
-8.50
-9.10
-10.00 -11.00 -12.05 -13.10
190°
-7.00
-7.10
-7.60
-8.38
-8.70
-9.10
-9.57
-10.00 -10.52 -11.40 -12.40 -13.05
200°
-5.60
-5.82
-6.45
-7.38
-8.15
-8.70
-9.20
-9.70
-10.50 -11.70 -13.30 -14.03
210°
-5.40
-6.02
-7.02
-7.68
-7.95
-8.20
-8.70
-9.30
-10.17 -11.05 -12.00 -12.41
220°
-5.50
-5.70
-6.27
-7.22
-8.30
-9.70
-10.90 -11.60 -12.50 -14.00 -15.10 -14.79
230°
-6.95
-7.30
-8.00
-8.38
-8.30
-8.20
-8.50
-8.90
-9.70
-11.10 -12.47 -13.45
240°
-5.25
-5.25
-5.70
-6.78
-8.08
-9.45
-10.40 -11.12 -12.00 -11.75 -11.77 -11.13
250°
-5.95
-6.85
-7.10
-7.42
-7.28
-7.27
-7.87
-9.10
-11.17 -12.05 -12.10 -12.24
260°
-5.35
-4.45
-5.35
-6.72
-7.68
-8.00
-7.80
-8.40
-9.00
-10.10 -11.70 -11.17
270°
-5.02
-5.20
-5.30
-5.58
-6.10
-6.60
-7.40
-7.90
-7.90
-8.90
-9.80
-10.62
280°
-4.10
-3.90
-4.20
-5.28
-5.48
-5.67
-6.15
-6.40
-6.97
-7.60
-8.50
-8.25
290°
-3.50
-3.97
-3.30
-4.00
-4.48
-4.60
-4.97
-5.40
-5.60
-6.25
-6.90
-6.88
300°
-2.70
-2.50
-3.07
-2.88
-3.58
-3.70
-3.82
-4.10
-4.30
-4.70
-5.42
-5.45
310°
-2.10
-2.30
-1.60
-2.58
-2.18
-2.82
-2.82
-3.00
-3.15
-3.47
-3.85
-3.80
320°
-1.80
-1.10
-1.50
-1.22
-1.80
-1.60
-1.95
-2.00
-2.07
-2.15
-2.60
-2.43
330°
-1.10
-0.80
-0.70
-1.08
-0.88
-1.05
-1.10
-1.10
-1.10
-1.30
-1.47
-1.30
340°
-0.95
-0.40
-0.37
-0.38
-0.48
-0.60
-0.45
-0.50
-0.50
-0.50
-0.75
-0.53
350°
-0.30
-0.10
-0.30
-0.15
-0.18
-0.10
-0.20
0.00
-0.20
-0.12
-0.10
-0.03
TABLE A.9
XZ Directional Response without Windscreen 250 Hz - 2.8 kHz
Nominal Frequency
Angle
250
Hz
315
Hz
400
Hz
500
Hz
630
Hz
800
Hz
1
kHz
1.25
kHz
1.6
kHz
2
kHz
2.24
kHz
2.5
kHz
2.8
kHz
0°
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
10°
0.03
0.00
0.05
0.05
0.03
0.00
0.00
0.02
-0.03 0.00
0.00
0.02
-0.05
20°
0.02
0.08
0.08
0.03
0.03
0.00
0.00
0.05
-0.13 -0.10 -0.05 0.05
-0.10
TABLE A.8
XY Directional Response without Windscreen 10.5 kHz - 20 kHz (Continued)
Nominal Frequency
Angle
10.6
kHz
11.2
kHz
11.8
kHz
12.5
kHz
13.2
kHz
14
kHz
15
kHz
16
kHz
17
kHz
18
kHz
19
kHz
20
kHz